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  • Exoplanet Explorer screenshot 1
  • Exoplanet Explorer screenshot 2
  • Exoplanet Explorer screenshot 3
  • Exoplanet Explorer screenshot 4

About Exoplanet Explorer

Explore the universe of exoplanets — over 6,000 confirmed worlds orbiting distant stars, updated from leading scientific archives. Track new discoveries as they happen and dive into the data behind every planet. EXPLORE THE COSMOS Search, filter, and sort the complete catalogue of confirmed exoplanets. Find planets by discovery method, star type, orbital characteristics, or habitability potential. Every entry includes detailed scientific data from peer-reviewed sources. ATMOSPHERIC SPECTRA Browse JWST and Hubble transmission spectra for planets where atmospheric data is available. Toggle molecular overlays for CO2, CH4, H2O, CO and more to see which absorption features have been detected. 3D SYSTEM VIEW Step into a planetary system in 3D — see each planet's orbit around its host star with realistic shading and a visualisation of the habitable zone. On iPhone and iPad you can also place a system into your environment in AR. COMPARE WORLDS Analyze exoplanets side-by-side — or compare them with Solar System planets like Earth, Jupiter, and Mars. Compare sizes, masses, orbital periods, star properties, and habitability scores to understand what makes each world unique. HABITABLE ZONE VISUALIZATION See exactly where planets orbit within their star's habitable zone — the region where liquid water could exist. Identify potentially Earth-like worlds and understand the conditions for life beyond our solar system. FEATURES • 6,000+ confirmed exoplanets with detailed scientific data • Atmospheric spectra with molecular overlays • 3D system view with AR mode • Advanced filtering and sorting • Planet comparison tool with Solar System reference • Habitable zone analysis • Spotlight search with deep linking • Home screen widgets • Apple Watch companion app • Bookmark favorites with iCloud sync • Available on iPhone, iPad, Mac, Apple Watch, and Apple Vision Pro GO PREMIUM Enjoying the app? Premium takes it further — unlimited bookmarks, the full planet comparison tool, and additional widgets. A small yearly upgrade that makes a big difference. Whether you're a curious stargazer, student, educator, or researcher, Exoplanet Explorer puts the cosmos in your pocket. Terms of Use (EULA): https://the-exoplanets.space/eula/ Privacy Policy: https://the-exoplanets.space/privacy/

Ratings & reviews

4.6

70 ratings

5 ★ 79% 4 ★ 11% 3 ★ 4% 2 ★ 0% 1 ★ 6%

What’s new

Version 3.7.0 · Updated October 22, 2026

NEW IN 3.7.0: • Planet Insight: open a planet and read two or three sentences in plain language — what kind of world it is, what makes it notable and how it compares to Earth. Apple Intelligence writes them on your device, from the catalogue's own measurements • Ask the catalogue: type a question in your own words, like "rocky planets in the habitable zone within 50 light years", and the catalogue narrows to match. Every filter it chose appears as a chip you can remove • The Earth Similarity Index in planet details now explains itself: what it compares, and why it measures resemblance to Earth rather than habitability Planet Insight and Ask the catalogue need an iPhone or iPad with Apple Intelligence. IMPROVEMENTS: • Widgets are easier to read on a tinted Home Screen • The atmospheric spectra chart fits its window, and its molecule legend is no longer cut off FIXED: • Planet labels in the 3D system view no longer overlap at the centre • An empty Bookmarked shelf, or a search with no results, no longer shows "Connection Failed" • Comparing planets: choosing a different planet in the list no longer replaces the one you picked to compare it with

App privacy

The developer, Carsten Knoblich, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History

Used for: Analytics, App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction
  • Diagnostics: Crash Data

Used for: Analytics, App Functionality

Alternatives to Exoplanet Explorer

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